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<?php
namespace SMW\MediaWiki\Specials;
use SMW\Exporter\Escaper;
use SpecialPage;
use Title;
/**
* Resolve (redirect) pretty URIs (or "short URIs") to the equivalent full MediaWiki
* representation.
*
* @license GNU GPL v2+
* @since 1.0
*
* @author Denny Vrandecic
*/
class SpecialURIResolver extends SpecialPage {
/**
* @see SpecialPage::__construct
*/
public function __construct() {
parent::__construct( 'URIResolver', '', false );
}
/**
* @see SpecialPage::execute
*
* @param string $query string
*/
public function execute( $query ) {
$out = $this->getOutput();
// #2344, It is believed that when no HTTP_ACCEPT is available then a
// request came from a "defect" mobile device without a correct accept
// header
if ( !isset( $_SERVER['HTTP_ACCEPT'] ) ) {
$_SERVER['HTTP_ACCEPT'] = '';
}
if ( $query === null || trim( $query ) === '' ) {
if ( stristr( $_SERVER['HTTP_ACCEPT'], 'RDF' ) ) {
$out->redirect( SpecialPage::getTitleFor( 'ExportRDF' )->getFullURL( [ 'stats' => '1' ] ), '303' );
} else {
$this->setHeaders();
$out->addHTML(
'<p>' .
wfMessage( 'smw_uri_doc', 'https://www.w3.org/2001/tag/issues.html#httpRange-14' )->parse() .
'</p>'
);
}
} else {
$query = Escaper::decodeUri( $query );
$query = str_replace( '_', '%20', $query );
$query = urldecode( $query );
$title = Title::newFromText( $query );
// In case the title doesn't exist throw an error page
if ( $title === null ) {
$out->showErrorPage( 'badtitle', 'badtitletext' );
} elseif ( stristr( $_SERVER['HTTP_ACCEPT'], 'RDF' ) ) {
$out->redirect(
SpecialPage::getTitleFor( 'ExportRDF', $title->getPrefixedText() )->getFullURL( [ 'xmlmime' => 'rdf' ] )
);
} else {
$out->redirect( $title->getFullURL(), '303' );
}
}
}
/**
* @see SpecialPage::getGroupName
*/
protected function getGroupName() {
return 'smw_group';
}
}
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